document.write( "Question 343014: Frank is 4 years older than Bill. Five years ago Frank was twice as old as Bill. How old is Frank now? \n" ); document.write( "
Algebra.Com's Answer #245713 by nyc_function(2741)\"\" \"About 
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Frank's current age = x + 4\r
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\n" ); document.write( "\n" ); document.write( "Bill's current age = x\r
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\n" ); document.write( "\n" ); document.write( "(x + 4) - 5 = 2(x - 5)\r
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\n" ); document.write( "\n" ); document.write( "x - 1 = 2x - 10\r
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\n" ); document.write( "\n" ); document.write( "x - 2x = -10 + 1\r
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\n" ); document.write( "\n" ); document.write( "-x = -9\r
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\n" ); document.write( "\n" ); document.write( "x = -9/-1\r
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\n" ); document.write( "\n" ); document.write( "x = 9\r
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\n" ); document.write( "\n" ); document.write( "Frank is 9 + 4 years old or 13 years old.\r
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